What do Bill Gates, Oprah Winfrey, and Elon Musk all have in common?

For starters, they've all been massively financially successful despite lack of resources.

But you may have overlooked something even simpler: all three of them believe in themselves. They all have a very high self-image, and believe themselves to be the best at what they do.

Now here's my question: Were they successful because of their work ethic, talent, luck, or simply because they believed in themselves? That is what I'll be discussing in today's episode!